Optical illusions are often described as mind-boggling, mind-bendint, brain-frying, and everything in between. But let's be honest, most of the time all they elicit is a slight smirk, or maybe the odd ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: rastroboy via ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

Optical illusions are fascinating visual tricks that deceive our brains, making us see things that aren’t actually there or perceive images differently than they truly are. These illusions are known ...

Optical illusions have always fascinated me because they reveal how easily our brains can be tricked by simple patterns, color, design, and even different shapes and 3D models. When I first looked at ...